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Thursday August 14, 2008 at 12:27 pm
T-Storms, A Nice Weekend? What about a new tropical system?
posted by Alex Liggitt: Producer/Meteorologist


Weather has been relatively pleasant the past couple of days, with highs in the mid to upper 80s, low to moderate levels of humidity, and isolated storms that visited the region last night.  Well some changes are on the way and will start showing up this afternoon.  With the added moisture that is evident today we will see an increased chance for showers and thunderstorms this afternoon.  I think the best chance will be north of the region as a weak boundary sits through Ohio and Pennsylvania.  Any storms that do form though may contain some large hail and damaging winds.

Tomorrow will be the better chance for storms, as an upper-level disturbance swings on through the region.  This will bring added lift to the region to help generate a little more widespread thunderstorm action.  Once again, primary threats for severe weather will be wind and hail.  This isn't all a bad thing through.  High temperatures will continue to be right around normal, which is 87 for this part of August.  The region should hit right around that today and Friday.

Saturday may even be cooler as that disturbance passes east and some cooler air filters in behind.  We expect dewpoints to sink back into the 50s and skies to be mostly sunny through the day on Saturday with highs in the lower 80s.  Should be a great start to the weekend.  Sunday, the heat will come back into the region, and highs should jump back into the upper 80s, though conditions will still be pleasant with partly cloudy skies as the main weather feature.

The tropics are also getting geared up with a distinct system taking shape over the northern Leeward Islands.  The National Hurricane Center is actually sending out a reconnaisance aircraft later on today to investigate this system, and I expect that they will find it is either a tropical depression or storm as it seems to have the rigt characteristics.  Satellite imagery shows good outflow aloft, good inflow at the surface, and colder cloud tops as seen on infrared to show that it has strengthened in the past day or so.  We will keep you updated tonight as to it's status.  Right now, steering flow is expected to push it towards southeastern Florida and  the east coast, something for us to watch.

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